One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,10)(3,7,11,8)(4,5,9,15)(12,13,16,14)(17,18,22,21)(19,24,27,23)(20,28,29,25)(26,30,32,31)(33,34,39,35)(36,43,46,40)(37,41,38,42)(44,48,45,47)(1,3)(2,7)(4,12)(5,13)(6,11)(8,10)(9,16)(14,15)(17,19,22,27)(18,23,21,24)(20,26,29,32)(25,30,28,31)(34,35)(40,43)(41,42)(47,48)(3,11)(7,8)(12,16)(13,14)(17,19,22,27)(18,23,21,24)(20,26,29,32)(25,30,28,31)(33,35,39,34)(36,43,46,40)(37,42,38,41)(44,48,45,47)(1,3)(2,8)(4,12)(5,14)(6,11)(7,10)(9,16)(13,15)(17,19)(18,24)(20,26)(21,23)(22,27)(25,31)(28,30)(29,32)(33,36,39,46)(34,40,35,43)(37,44,38,45)(41,47,42,48)(1,4)(2,5)(3,12)(6,9)(7,13)(8,14)(10,15)(11,16)(17,20,22,29)(18,25,21,28)(19,26,27,32)(23,30,24,31)(33,37,39,38)(34,41,35,42)(36,44,46,45)(40,47,43,48)(1,5)(2,9)(3,13)(4,10)(6,15)(7,16)(8,12)(11,14)(17,21,22,18)(19,24,27,23)(20,25,29,28)(26,30,32,31)(33,38,39,37)(34,42,35,41)(36,45,46,44)(40,48,43,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.